/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.tika.sax.xpath;
/**
* Intermediate evaluation state of a <code>.../name...</code> XPath
* expression. Matches nothing, but specifies the evaluation state
* for the child elements with the given name.
*/
public class NamedElementMatcher extends ChildMatcher {
private final String namespace;
private final String name;
protected NamedElementMatcher(String namespace, String name, Matcher then) {
super(then);
this.namespace = namespace;
this.name = name;
}
public Matcher descend(String namespace, String name) {
if (equals(namespace, this.namespace) && name.equals(this.name)) {
return super.descend(namespace, name);
} else {
return FAIL;
}
}
private static boolean equals(String a, String b) {
return (a == null) ? (b == null) : a.equals(b);
}
}